Tag: business maths
Questions Related to business maths
A card is drawn is from pack of 52 cards. Find the probability of drawing '5' of spade or '8' of hearts
A box contains 5 red balls, 8 green balls and 10 pink balls. A ball is drawn at random from the box. What is the probability that the ball drawn is either red or green?
An institute organised a fete and ${1}/{5}$ of the girls and ${1}/{8}$ of the boys participated in the same. What fraction of the total number of students took part in the fete?
A husband and a wife appear in an interview for two vacancies in the same post. The probability of husband`s selection is $\dfrac {1}{7}$ and that of wife's selection is $\dfrac {1}{5}$. What is the probability that only one of them will be selected?
A number $x$ is selected from first $100$ natural numbers. Find the probability that $x$ satisfies the condition $x+ \dfrac{100}{x} >50$
$A$ speaks the truth in $60\%$ cases and $B$ in $70\%$ cases. The probability that they will say the same thing while describing a single event is:
In a single throw of two dice, the probability of obtaining a total of $7$ or $9,$ is:
The chance of throwing a total of $3$ or $5$ or $11$ with two dice is:
If A and B are mutually exclusive events such that $P(A)=\frac{3}{5}$ and $ P(B)=\frac{1}{5}$, then find $P(A \cup B)$.
Two dice each numbered from $1$ to $6$ are thrown together. Let $A$ and $B$ be two events given by
$A:$ even number on the first die
$B:$ number on the second die is greater than $4$